:root {
  /* Premium Global Variables */
  --bg-color: #080808;
  --bg-dots: #161616;
  --text-primary: #ededed;
  --text-secondary: #888888;
  --accent-color: #3b82f6;
  /* Blue accent */
  --accent-glow: rgba(59, 130, 246, 0.5);

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1.5rem;
  --spacing-md: 3rem;
  --spacing-lg: 6rem;
  --container-width: 1000px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* UTILITIES */
.text-gradient {
  background: linear-gradient(180deg, #fff 0%, #666 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* HEADER */
header {
  padding: 2rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  mix-blend-mode: difference;
  /* Makes it visible on light/dark backgrounds */
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

/* FOOTER */
footer {
  padding: 4rem 0 2rem;
  text-align: center;
  color: #444;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: auto;
}